manages windows that exist before running.

2 files changed, 23 insertions, 0 deletions

diff --git a/otk/display.cc b/otk/display.cc
index 4613b9ba..77111d3c 100644
--- a/otk/display.cc
+++ b/otk/display.cc
@@ -51,6 +51,7 @@ int  OBDisplay::_xinerama_event_basep = 0;
 unsigned int OBDisplay::_mask_list[8];
 OBDisplay::ScreenInfoList OBDisplay::_screenInfoList;
 BGCCache *OBDisplay::_gccache = (BGCCache*) 0;
+int OBDisplay::_grab_count = 0;
 
 
 int OBDisplay::xerrorHandler(Display *d, XErrorEvent *e)
@@ -172,6 +173,21 @@ const ScreenInfo* OBDisplay::screenInfo(int snum) {
 }
 
 
+void OBDisplay::grab()
+{
+  if (_grab_count == 0)
+    XGrabServer(display);
+  _grab_count++;
+}
+
+
+void OBDisplay::ungrab()
+{
+  if (_grab_count == 0) return;
+  _grab_count--;
+  if (_grab_count == 0)
+    XUngrabServer(display);
+}
 
 
 
diff --git a/otk/display.hh b/otk/display.hh
index e8f91ae9..7f5ab02d 100644
--- a/otk/display.hh
+++ b/otk/display.hh
@@ -42,6 +42,9 @@ private:
   //! A list of all possible combinations of keyboard lock masks
   static unsigned int _mask_list[8];
 
+  //! The number of requested grabs on the display
+  static int _grab_count;
+
   //! A list of information for all screens on the display
   static ScreenInfoList _screenInfoList;
 
@@ -94,7 +97,11 @@ public:
   //! Returns if the display has the xinerama extention available
   inline static bool xinerama() { return _xinerama; }
 
+  //! Grabs the display
+  static void grab();
 
+  //! Ungrabs the display
+  static void ungrab();